Oar-lock



(No Model.) J.. KLENK 8v S. H. HAAS.

OAR-LOOK. Patented Sept-8, 1885.

IWTORS WITNESSES 1 UNITED STATES PATENT ()FFICE.

JOHN KLENK AND SAMUEL H. HAAS,

on PHILADELPHIA, PENNSYLVANIA.

OAR-LOCK.

.ESPEC PIUATIQN forming part of Letters Patent No. 325,748, datedSeptember 8, 1885.

Application filed January 20, 1855. (X model.)

To aZZ whom it may concern.-

Be it known that we, JOHN KLENK and SAMUEL H. HAAs, citizens of theUnited States, residing at Philadelphia, in the county .of Philadelphiaand State of Pennsylvania,

preventing the stealing of the rowlocks when the boat is left unguarded.

The invention consists in a rowlock having a two-part arm or fork toreceive the oar, one member of which is pivoted to and overhangs theother, and provided with aspringto keep it in position over the entranceto the oarlock and automatically displaced from such entrance by thedropping of the car into the rowlock, after which it is by said springreturned to cover the entrance and retain the oar within the rowlockuntil the said pivoted member is retracted by hand.

The invention also consists in means under lock and key in the rowlockitself for locking in and concealing the fasteuings used to secure therowlock to the gunwale or outrigger of the boat, all as will behereinafter particularly set forth and claimed.

In the accompanying drawings, illustrating our invention, in the severalfigures of which like parts are similarly designated, Figure l is aperspective view of the rowlock and part of an outrigger or gunwale, towhich it is secured. Fig. 2 is a side elevation of the same. Fig. 3 is avertical section with the pivoted member retracted; Fig. 4, a bottomplan view with the rowlock proper turned at right angles to the gunwaleor support; and Fig. 5 is a detail inside front elevation of the devicefor locking in the bolt for fastening on the oar-lock.

a is an L-shaped arm or upright having an upturned curved finger, b, tothe lower end of which is pivoted or hinged by pin 0 a hook, d, theshank of which is forked to straddle the finger b, and theinner andouter edges of which are in the same planes with the inner and outerfaces of the finger, respectively, so as to make a flush finish when theparts are together. The finger I), by engaging a portion or web, (1, of

the hook connecting its forks, serves to limit the movement of thehooktoward the upright member of the arm a. This hook is normally held by aspring, e, (which latter is fast to the arm a, and engages across-bar,f, onthehoolg) it may be set in a recess, h, in the horizontalmember of the arm a, and in the illustration given said spring is a flatpiece of .metal engaging thebar f, which connects thelower ends 0f thefork of the hook d. The head of the hook is beveled on its face 9 nextthe upright niem-fl ber of the arm a, and hence when pressure is exertedupon said face, as by an oar brought down upon it transversely totheoars length in the direction of the arrow, Fig. 2, the hook will move onits pivot c away from the arm a into the position indicated by fulllinesin Fig. 3 and allow the oar to descend into the rowlock upon thehorizontal member of the arm a, and the hook will be immediatelyreturned by its spring 6 to its normal position, (indicated by dottedlines in said figure and by full lines in the other fignres,) therebycovering the entrance to the rowlock, so that the oar will have the arma for its fulcrum in'pulling and the finger b and hook d to prevent itfrom jumping out of the rowlock, the finger b serving as the fulcrum forbacking water. The oar is released by manually pulling the book backinto the full-line position of Fig. 3. The arm a isswiveled to a post orstandard, 13, at its lower end by a foot, j, stepped in the base it ofthe standard Land at itsupper end by a pin or pintle, Z, in thestandard, engaging an offset, in, from said arm. This pintle is shown asa screw; but in practice it will be concealed by plating or solder; orany other form of blind joint may be made between the arm a and standard6. The baselo of the standard is made or provided with a screw-th readedshank, n, projecting fromits lower surface, and also with a slot, 0, andthis slot is arranged within the standard, which is made hollow, andreceives a screw-bolt, p.

In applying the rowlock to a boats gunwale or outrigger the threadedshank is'passed through a hole in the latter, and an angular nut, q,tightened up on it. A stout plate, r, having a hole corresponding inshape with said nut, is then slipped over the latter, and its other endaligned with the gunwale or outrigger. This plate has also a slot, 8, inits said other end, and the boltp is then passed through the slot 0,gunwale or outrigger, and slot 8, and a nut, if, having a squaredportion, 1/, of the width of the slot, but longer than wide, so as notto turn in the slots 8, is then run on the bolt till it is ready toenter the slot lengthwise, which is its only mode of entrance therein.The screw-bolt is then rotated by its nicked head till the squaredportion t of the nut t is drawn'up into the slot 8 tight against thegunwale or outrigger, which may be represented by the part marked u. Bythis construction it will be seen that neither of the nuts (1 or t canbe run off, and hence the rowlock cannot be removed till access is hadto the screw-bolt, and this we propose to give only to authorizedpersons. To accomplish this, we make an opening or doorway in the hollowstandard 6, and close it by a door, 12, provided with a lock, to,operable by a key carried only by authorized persons. This door has alip, 21, to engage the inside of the wall of the standard next the upperend of its opening, and the bolt to of the lock engages the standardswall inside at its lower end when projected or thrown. By retracting thebolt 10 by the lockkey, so as to clear the wall of the standard next thelower end of its doorway, thedoor maybe removed from the standard, andaccess thus afforded to the screw-bolt p. The door may be hinged to thestandard; but we prefer to make a blind door. By thus concealing andprotecting the rowlock fastenings their loss by theft and the consequentannoyance t0 boat-owners will be prevented, and the necessity forremoving the rowlocks after use obviated. We may, however, use otherfastening means or another kind of standard for the oar-lock.

hat we claim is- 1. In a rowlock, the arm (1, having the upright finger12, combined with the spring-hook d, having its lower end forked andshaped to conform to the outline of the finger and embracing said fingerand pivoted to said arm at the lower end of the finger and overhangingthe space between the arm and its finger, substantially as described.

2. In a rowlock, the arm a, having the upright finger b, the hook d,having its lower end forked and shaped to conform tothe outline of andembrace said finger and pivoted to said arm at the lower end of thefinger, with its upper hooked end overhanging the space between the armand its finger, and a spring, 0, arranged in arecess in the arm andengaging a cross-bar, f, on the hook, combined with a standard to whichsaid arm is swiveled, substantially as described.

3. In a rowlock. the arm a, having the upright finger b, and thespring-hook d, having its lower end forked and shaped to conform to theoutline of the finger and embrace it and pivoted to said arm at thelower end of the finger and overhanging the space between the arm andits finger, combined with the standard to which the arm is swiveled, andmeans to lock said arm to the boat, substantially as described.

4. In a rowlock, the oarreceiving device, combined with a hollowstandard having a locked door, and screw-bolts, nuts therefor, andlocking devices for such nuts, substantially as described.

In testimony whereof we have hereunto set our hands this 19th day ofJanuary, A. D. 1885.

JOHN KLENK. SAMUEL H. HAAS.

Vv'itn esses:

ERNEST DIETRIOK, FREDK. BREITINGER.

